40472294 has 8 divisors (see below), whose sum is σ = 61440120. Its totient is φ = 19992256.

The previous prime is 40472279. The next prime is 40472297. The reversal of 40472294 is 49227404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40472294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40472297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121739 + ... + 122070.

It is an arithmetic number, because the mean of its divisors is an integer number (7680015).

Almost surely, 2^40472294 is an apocalyptic number.

40472294 is a deficient number, since it is larger than the sum of its proper divisors (20967826).

40472294 is a wasteful number, since it uses less digits than its factorization.

40472294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243894.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 40472294 is about 6361.7838693247. The cubic root of 40472294 is about 343.3359451420.

Adding to 40472294 its reverse (49227404), we get a palindrome (89699698).

The spelling of 40472294 in words is "forty million, four hundred seventy-two thousand, two hundred ninety-four".